The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK), is a sovereign country located off the northwestern coast of mainland Europe. It comprises four constituent countries: England, Scotland, Wales, and Northern Ireland. The UK has a parliamentary democracy with a constitutional monarchy, and its capital city is London.

With a long and storied history, the United Kingdom has been a major global power since the 18th century, playing a significant role in the fields of politics, economics, science, and culture. It has a diverse population, rich in its unique cultural heritage and traditions.

The United Kingdom is well-known for its historical landmarks, including Buckingham Palace, the Tower of London, and Stonehenge. It is also famous for its literary figures, such as William Shakespeare and Charles Dickens, as well as for its contributions to music, with bands like The Beatles and The Rolling Stones originating from the UK.

The United Kingdom is a member of various international organizations, including the United Nations, NATO, the G7, and the Commonwealth of Nations. It is also known for its strong global influence, particularly in areas such as finance, education, and research.